[Tujuan: Untuk mengetahui pengaruh kepribadian tipe A terhadap kejadian kanker prostatMetode: Penelitian ini merupakan penelitian case control dengan subjek pasien kanker prostat dan kontrol. Dilakukan penelitian menggunakan kuisioner menggunakan Howard Glazer Personality Questionnaire (HGPQ) and Social Readjustment Rating Scale (SRRS). SRRS dibagi dalam kejadian 2 tahun, 5 tahun, dan 10 tahun. Data dievaluasi dengan analisa stastistik Chi Quadrat dan Mann Whitney UHasil: Tidak terdapat hasil yang signifikan dalam hasil SRRS 2 tahun (P= 0,94), 5 tahun (p = 0,73) dan 10 tahun (p=0,47) antara pasien kanker prostat dan kontrol. Terdapat hasil yang signifikan dalam hasil HGPQ antara pasien kanker buli dan kontrol (p=0,007)Kesimpulan: Kepribadian tipe A sebagai kepribadian pemicu stres memberikan korelasi positif terhadap kejadian kanker prostat., Objective:To investigate the effect of type A personality as a stress personality type on prostate cancer incidence.Method:This was case control study with prostate cancer patient and control as subject of the study. Subject were asked some questionnaires about their personality using Social Readjustment Rating Scale (SRRS) and Howard Glazer Personality Questionnaire (HGPQ). Events in SRSS scale devided in 2 years ago, 5 years ago and 10 years ago. Data was evaluate with chi Quadrat and Mann Whitney U.Result:There were no significant difference in SRRS score between prostate cancer patien and control in 2 years events (p=0,94), 5 years events (p= 0,73) and 10 years (p=0,47). There were significant difference in HGPQ score between bladder cancer and control (p=0,007).Conclusion:Type A personality as a stress personality have a positive correlation in incidence of prostate cancer]